What are the important events that happened on April 15? Here are historical events, facts, and some myths about this day.

April 15: Facts & Myths About This Day

April 15 is the 105^th day of the year 2025 in the Gregorian calendar. There are 260 days remaining until the end of this year. The day of the week is Tuesday.

Under the Julian calendar, this day is April 2, 2025 – a Tuesday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?

When this day started, 1,744,675,200 seconds has elapsed since midnight of January 1, 1970 – the Unix epoch.

Strange as it may, if we name this day after a polygon then it will be called ‘hectapentagon’ day.

Aries is the zodiac sign of a person born on this day. Diamond is the modern birthstone for this month. Opal is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 308 days remaining before the start of the next Chinese New Year.

The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 4,498 days since this fabled cataclysmic event.

April 15 Historical Events

• 1783 –
  Preliminary articles of peace ending the American Revolutionary War (or American War of Independence) are ratified.
• 1865 –
  Abraham Lincoln dies without regaining consciousness after being shot the previous evening by actor John Wilkes Booth.
• 1892 –
  The General Electric Company is formed.
• 1900 –
  Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
• 1920 –
  Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
• 1923 –
  Insulin becomes generally available for use by people with diabetes.
• 1935 –
  Roerich Pact signed in Washington, D.C.
• 1979 –
  A disastrous earthquake (of M 7.1) occurs on Montenegro coast.
• 1989 –
  Upon Hu Yaobang’s death, the Tiananmen Square protests of 1989 begin in the People’s Republic of China.
• 2002 –
  An Air China Boeing 767-200, flight CA129 crashes into a hillside during heavy rain and fog near Busan, South Korea, killing 128.

Who were born on April 15?

• 1684 –
  Empress Catherine I of Russia (d. 1727)
• 1707 –
  Leonhard Euler, Swiss mathematician (d. 1783)
• 1885 –
  Tadeusz Kutrzeba, Polish general (d. 1947)
• 1942 –
  Francis X. DiLorenzo, American Catholic prelate
• 1959 –
  Fruit Chan, Hong Kong film director
• 1959 –
  Thomas F. Wilson, American actor
• 1975 –
  Phil Labonte, American vocalist (All That Remains)
• 1980 –
  Raúl López, Spanish basketball player
• 1982 –
  Albert Riera, Spanish footballer
• 1986 –
  Quincy Owusu-Abeyie, Ghanaian footballer

Who died on April 15?

• 1764 –
  Peder Horrebow, Danish astronomer (b. 1679)
• 1793 –
  Ignacije Szentmartony, Croatian Jesuit missionary and geographer (b. 1718)
• 1912 –
  Victims of the RMS Titanic disaster: Wallace Hartley,English Violinist (b. 1878)
• 1969 –
  Victoria Eugenie of Battenberg, Queen of Spain (b. 1887)
• 1971 –
  Gurgen Boryan, Armenian poet and playwright (b. 1915)
• 1974 –
  Giovanni D'Anzi, Italian songwriter (b. 1906)
• 1993 –
  Leslie Charteris, Singapore-born author (b. 1907)
• 2004 –
  Ray Condo, Canadian musician (b. 1950)
• 2007 –
  Brant Parker, American cartoonist (b. 1920)
• 2009 –
  László Tisza, Hungarian-born American physicist (b. 1907)